Concept explainers
a.
To determine:
The molar mass of calcium sulfate.
Introduction:
Molar mass is defined as the number, which is equal to the sum of the atomic masses of the atoms in a molecule. The molecular mass gives the mass of molecule relative to that of the
b.
To determine:
The molar mass of carbohydrate glucose.
Introduction:
Molar mass is defined as the number, which is equal to the sum of the atomic masses of the atoms in a molecule. The molecular mass gives the mass of molecule relative to that of the
c.
To determine:
The molar mass of hydrogen peroxide.
Introduction:
Molar mass is defined as the number, which is equal to the sum of the atomic masses of the atoms in a molecule. The molecular mass gives the mass of molecule relative to that of the
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EBK LABORATORY MANUAL FOR GENERAL, ORGA
- Choose the best Lewis structure for CH2C12. H. a. H. 6. H–Cl–C-Cl-H H-H-C-Cl-Cl: H. Cl=c=Cl: d. Harrow_forwardIdentify the following properties of arsenic pentabromide and arsenic pentafluoride. a. Chemical formula b. Molecular weight c. Polarity d. Formal Charge e. Symmetry f. Molecular geometry g. Bond anglesarrow_forward18. How do you determine the molecular shape of the portion of the molecule where carbon, whose symbol is in bold, is the central atom in the following acetic acid molecule: CH.CO,H?arrow_forward
- 3) Draw Lewis electron structures for the following compounds or polyatomic ions: a. HBr b. N₂ c. CCI, e. C₂H6 (hint- start with a single bond between the 2 carbons) d. OH-arrow_forwarda. CH3CHO(g) + O2(9) CH3COOH(1) b. AgCl(s) + Br2(1) AgBr(s) + c. C12H22011(s) + O2(g) Given: Ethanal, CH3CHO(g) Oxygen, O2(g) Ethanoic Acid, CH3COOH (1) Silver Chloride, AgCl(s) Bromine gas, Br2(1) J/Kmol 3 sig. figs. J/Kmol 3 sig. figs. CO₂(g) + H₂O(1) (+) J/Kmol 4 sig. figs. Chlorine gas,Cl2(g) Silver Bromide, AgBr (s) Sucrose, C12H22011(s) Carbon Dioxide, CO2(g) Water H₂0(1) Cl₂(g) Sm(J/K.mol) 250.3 205.138 159.8 96.2 152.23 223.07 107.1 360.2 213.74 69 91arrow_forwardMatch each of the Lewis structures (a to c) with the correct diagram (1 to 3) 3 a. X-Y-X 1. 1 b. :Y-X 2. 2 X 3. 3 с. Х—Ү—Х 11,008 stvarrow_forward
- The Structure of Hydrocarbons 1. Draw the four carbon bonding patterns commonly seen in hydrocarbons and all other organic compounds. Construct the Lewis structures of the following compounds by combining the carbon atoms with the appropriate bonding patterns and the required number of hydrogen atoms. 2. a. hexane: CH,CH,CH,CH,CH,CH, b. 3-hexene: CH,CH,CH=CHCH,CH, c. 2-hexyne: CH,C=CCH,CH,CH, 3. There are three distinct bond angles formed in the four bonding patterns of carbon. What are they and in which bonding pattern(s) is each seen?arrow_forward5. a. Which bond is more polar, H-Cl or H-O? b. Which of the following bonds is the most polar, that is, has the greatest ionic character: H-Br, N-H, N-O, P-Cl? of the following ions: P3.arrow_forwardA compound, XF3, is 80.27% fluorine by mass. 1.Identify the element. 2.What is the molecular structure ?arrow_forward
- Draw the Lewis structure for each of the following:a. NO3-b. NO2+ c. -C2H5d. +C2H5 e. CH3N + H3f. NaOH g. HCO3-h. HCO2-arrow_forwardDraw Lewis structures for: a. CCl4 b. SO3-2arrow_forwardQ.1 i. Represent Lewis dot-cross diagram for the bonds formed between S and O atoms. Name the compound. Give two general properties of SO ii.arrow_forward
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